package com.tanhua.dubbo.mongo.api;

import com.tanhua.model.mongo.Friend;
import org.apache.dubbo.config.annotation.DubboService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.List;

@DubboService
public class FriendApiImpl implements FriendApi {

    @Autowired
    private MongoTemplate mongoTemplate;

    //保存好友关系
    public void save(Long userId, Long friendId) {

        Criteria criteria1 = Criteria.where("userId").is(userId).and("friendId").is(friendId);
        if (!mongoTemplate.exists(Query.query(criteria1), Friend.class)) {
            Friend friend1 = new Friend();
            friend1.setUserId(userId);
            friend1.setFriendId(friendId);
            friend1.setCreated(System.currentTimeMillis());
            mongoTemplate.save(friend1);
        }


        Criteria criteria2 = Criteria.where("friendId").is(userId).and("userId").is(friendId);
        if (!mongoTemplate.exists(Query.query(criteria2), Friend.class)) {

            Friend friend2 = new Friend();
            friend2.setUserId(friendId);
            friend2.setFriendId(userId);
            friend2.setCreated(System.currentTimeMillis());
            mongoTemplate.save(friend2);
        }
    }

    //分页查询联系人列表
    public List<Friend> findFriends(Long userId,Integer page, Integer pagesize) {
        Criteria criteria = Criteria.where("userId").is(userId);
        Query query = Query.query(criteria).skip((page-1)*pagesize).limit(pagesize);
        List<Friend> list = mongoTemplate.find(query, Friend.class);
        return list;
    }
}
